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1493089860 = 2235374315641
BaseRepresentation
bin101100011111110…
…1011111001000100
310212001111211020110
41120333223321010
511024212333420
6404054033020
752000024443
oct13077537104
93761454213
101493089860
116a68a0569
12358048770
131aa442c32
14102424d5a
158b131ee0
hex58febe44

1493089860 has 96 divisors (see below), whose sum is σ = 4393775232. Its totient is φ = 378362880.

The previous prime is 1493089811. The next prime is 1493089883. The reversal of 1493089860 is 689803941.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87640 + ... + 103280.

It is an arithmetic number, because the mean of its divisors is an integer number (45768492).

Almost surely, 21493089860 is an apocalyptic number.

1493089860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1493089860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196887616).

1493089860 is an abundant number, since it is smaller than the sum of its proper divisors (2900685372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1493089860 is a wasteful number, since it uses less digits than its factorization.

1493089860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15733 (or 15731 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1493089860 is about 38640.5209592210. The cubic root of 1493089860 is about 1142.9537284294.

The spelling of 1493089860 in words is "one billion, four hundred ninety-three million, eighty-nine thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 43 60 74 86 111 129 148 172 185 215 222 258 370 430 444 516 555 645 740 860 1110 1290 1591 2220 2580 3182 4773 6364 7955 9546 15641 15910 19092 23865 31282 31820 46923 47730 62564 78205 93846 95460 156410 187692 234615 312820 469230 578717 672563 938460 1157434 1345126 1736151 2017689 2314868 2690252 2893585 3362815 3472302 4035378 5787170 6725630 6944604 8070756 8680755 10088445 11574340 13451260 17361510 20176890 24884831 34723020 40353780 49769662 74654493 99539324 124424155 149308986 248848310 298617972 373272465 497696620 746544930 1493089860